Which scientist discovered dna after experimenting with white blood cells?
watson
franklin
miescher
wilkins

Miescher is the correct answer.

Explanation:

Fredrich Miescher in the year 1860 isolated different substances rich in phosphate called nuclein from the cell nuclei of white blood cells.

He decided to consider white blood cells, which are rich in pus and sufficiently available from the clinic as it was near to his college.

Friedrich Miescher was the first scientist to isolates deoxyribonucleic acid which carries genetic information.

answer; ///(b) it is composed of four protein chains and four heme groups;